Home / 2,727.19-3,766.67-1,984.47

Finding the Fourth Proportional to 2,727.19, 3,766.67 and 1,984.47

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Solution

The fourth proportional to 2,727.19, 3,766.67 and 1,984.47 is: 2,740.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,727.19 : 3,766.67 = 1,984.47 : x
  2. Step 2: Convert to fraction form
    2,727.19/3,766.67 = 1,984.47/x
  3. Step 3: Cross multiply
    2,727.19x = 3,766.67 × 1,984.47
  4. Step 4: Simplify right side
    2,727.19x = 7,474,843.61
  5. Step 5: Solve for x
    x = 7,474,843.61/2,727.19
  6. Step 6: Final answer
    x = 2,740.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.